code.grnet.gr Git - pithos/blob - web_client/src/gr/grnet/pithos/web/client/FilesPropertiesDialog.java

   1 /*\r
   2  * Copyright (c) 2011 Greek Research and Technology Network\r
   3  */\r
   4 package gr.grnet.pithos.web.client;\r
   5 \r
   6 import gr.grnet.pithos.web.client.components.TristateCheckBox;\r
   7 import gr.grnet.pithos.web.client.rest.MultiplePostCommand;\r
   8 import gr.grnet.pithos.web.client.rest.RestException;\r
   9 import gr.grnet.pithos.web.client.rest.resource.FileResource;\r
  10 \r
  11 import java.util.ArrayList;\r
  12 import java.util.Iterator;\r
  13 import java.util.List;\r
  14 \r
  15 import com.google.gwt.core.client.GWT;\r
  16 import com.google.gwt.event.dom.client.ClickEvent;\r
  17 import com.google.gwt.event.dom.client.ClickHandler;\r
  18 import com.google.gwt.event.dom.client.FocusEvent;\r
  19 import com.google.gwt.event.dom.client.FocusHandler;\r
  20 import com.google.gwt.json.client.JSONArray;\r
  21 import com.google.gwt.json.client.JSONBoolean;\r
  22 import com.google.gwt.json.client.JSONObject;\r
  23 import com.google.gwt.json.client.JSONString;\r
  24 import com.google.gwt.user.client.Command;\r
  25 import com.google.gwt.user.client.DeferredCommand;\r
  26 import com.google.gwt.user.client.ui.Button;\r
  27 import com.google.gwt.user.client.ui.DecoratedTabPanel;\r
  28 import com.google.gwt.user.client.ui.DisclosurePanel;\r
  29 import com.google.gwt.user.client.ui.FlexTable;\r
  30 import com.google.gwt.user.client.ui.FlowPanel;\r
  31 import com.google.gwt.user.client.ui.FocusPanel;\r
  32 import com.google.gwt.user.client.ui.HasHorizontalAlignment;\r
  33 import com.google.gwt.user.client.ui.HorizontalPanel;\r
  34 import com.google.gwt.user.client.ui.Label;\r
  35 import com.google.gwt.user.client.ui.VerticalPanel;\r
  36 \r
  37 /**\r
  38  * The 'Multiple file properties' dialog box implementation.\r
  39  *\r
  40  */\r
  41 public class FilesPropertiesDialog extends AbstractPropertiesDialog {\r
  42 \r
  43         private final TristateCheckBox versionedCheck;\r
  44 \r
  45         private final List<FileResource> files;\r
  46 \r
  47         private Boolean initialVersioned;\r
  48 \r
  49 \r
  50         /**\r
  51          * The widget's constructor.\r
  52          *\r
  53          * @param _files\r
  54          */\r
  55         public FilesPropertiesDialog(final List<FileResource> _files) {\r
  56                 super();\r
  57 \r
  58                 files = _files;\r
  59                 int versionedNum = 0;\r
  60                 for (FileResource fr : files)\r
  61                         if (fr.isVersioned()) versionedNum++;\r
  62                 Boolean versioned = null;\r
  63                 if (versionedNum==0) versioned = false;\r
  64                 if (versionedNum==files.size()) versioned = true;\r
  65                 initialVersioned = versioned;\r
  66                 versionedCheck = new TristateCheckBox(versioned);\r
  67 \r
  68                 // Set the dialog's caption.\r
  69                 setText("Files properties");\r
  70 \r
  71                 // Outer contains inner and buttons.\r
  72                 final VerticalPanel outer = new VerticalPanel();\r
  73                 final FocusPanel focusPanel = new FocusPanel(outer);\r
  74                 // Inner contains generalPanel and permPanel.\r
  75                 inner = new DecoratedTabPanel();\r
  76                 inner.setAnimationEnabled(true);\r
  77                 final VerticalPanel generalPanel = new VerticalPanel();\r
  78                 final HorizontalPanel buttons = new HorizontalPanel();\r
  79                 final VerticalPanel verPanel = new VerticalPanel();\r
  80                 final HorizontalPanel vPanel = new HorizontalPanel();\r
  81 \r
  82                 inner.add(generalPanel, "General");\r
  83                 inner.add(verPanel, "Versions");\r
  84                 inner.selectTab(0);\r
  85 \r
  86                 final FlexTable generalTable = new FlexTable();\r
  87                 generalTable.setText(0, 0, String.valueOf(files.size())+" files selected");\r
  88                 generalTable.setText(1, 0, "Folder");\r
  89                 generalTable.setText(2, 0, "Tags");\r
  90                 FileResource firstFile = files.get(0);\r
  91                 if(firstFile.getFolderName() != null)\r
  92                         generalTable.setText(1, 1, firstFile.getFolderName());\r
  93                 else\r
  94                         generalTable.setText(1, 1, "-");\r
  95 \r
  96                 // Find if tags are identical\r
  97                 List<String> tagsList = files.get(0).getTags();\r
  98                 List<String> tagss;\r
  99                 for (int i=1; i<files.size(); i++) {\r
 100                         tagss = files.get(i).getTags();\r
 101                         if (tagsList.size() != tagss.size() || !tagsList.containsAll(tagss)) {\r
 102                                 tagsList = null;\r
 103                                 break;\r
 104                         }\r
 105                 }\r
 106                 // Get the tags.\r
 107                 StringBuffer tagsBuffer = new StringBuffer();\r
 108                 if (tagsList==null)\r
 109                         tagsBuffer.append(MULTIPLE_VALUES_TEXT);\r
 110                 else {\r
 111                         Iterator i = tagsList.iterator();\r
 112                         while (i.hasNext()) {\r
 113                                 String tag = (String) i.next();\r
 114                                 tagsBuffer.append(tag).append(", ");\r
 115                         }\r
 116                         if (tagsBuffer.length() > 1)\r
 117                                 tagsBuffer.delete(tagsBuffer.length() - 2, tagsBuffer.length() - 1);\r
 118                 }\r
 119                 initialTagText = tagsBuffer.toString();\r
 120                 tags.setText(initialTagText);\r
 121                 tags.addFocusHandler(new FocusHandler() {\r
 122                         @Override\r
 123                         public void onFocus(FocusEvent event) {\r
 124                                 if (MULTIPLE_VALUES_TEXT.equals(tags.getText()))\r
 125                                         tags.setText("");\r
 126                         }\r
 127                 }\r
 128                 );\r
 129 \r
 130                 generalTable.setWidget(2, 1, tags);\r
 131                 generalTable.getFlexCellFormatter().setStyleName(0, 0, "props-labels");\r
 132                 generalTable.getFlexCellFormatter().setColSpan(0, 0, 2);\r
 133                 generalTable.getFlexCellFormatter().setStyleName(1, 0, "props-labels");\r
 134                 generalTable.getFlexCellFormatter().setStyleName(2, 0, "props-labels");\r
 135                 generalTable.getFlexCellFormatter().setStyleName(0, 1, "props-values");\r
 136                 generalTable.getFlexCellFormatter().setStyleName(1, 1, "props-values");\r
 137                 generalTable.getFlexCellFormatter().setStyleName(2, 1, "props-values");\r
 138                 generalTable.setCellSpacing(4);\r
 139 \r
 140                 // Create the 'OK' button, along with a listener that hides the dialog\r
 141                 // when the button is clicked.\r
 142                 final Button ok = new Button("OK", new ClickHandler() {\r
 143                         @Override\r
 144                         public void onClick(ClickEvent event) {\r
 145                                 accept();\r
 146                                 closeDialog();\r
 147                         }\r
 148                 });\r
 149                 buttons.add(ok);\r
 150                 buttons.setCellHorizontalAlignment(ok, HasHorizontalAlignment.ALIGN_CENTER);\r
 151                 // Create the 'Cancel' button, along with a listener that hides the\r
 152                 // dialog when the button is clicked.\r
 153                 final Button cancel = new Button("Cancel", new ClickHandler() {\r
 154                         @Override\r
 155                         public void onClick(ClickEvent event) {\r
 156                                 closeDialog();\r
 157                         }\r
 158                 });\r
 159                 buttons.add(cancel);\r
 160                 buttons.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 161                 buttons.setSpacing(8);\r
 162                 buttons.addStyleName("pithos-TabPanelBottom");\r
 163 \r
 164                 generalPanel.add(generalTable);\r
 165 \r
 166                 // Asynchronously retrieve the tags defined by this user.\r
 167                 DeferredCommand.addCommand(new Command() {\r
 168 \r
 169                         @Override\r
 170                         public void execute() {\r
 171                                 updateTags();\r
 172                         }\r
 173                 });\r
 174 \r
 175                 DisclosurePanel allTags = new DisclosurePanel("All tags");\r
 176                 allTagsContent = new FlowPanel();\r
 177                 allTags.setContent(allTagsContent);\r
 178                 generalPanel.add(allTags);\r
 179                 generalPanel.setSpacing(4);\r
 180 \r
 181 \r
 182                 vPanel.setCellHorizontalAlignment(cancel, HasHorizontalAlignment.ALIGN_CENTER);\r
 183                 vPanel.setSpacing(8);\r
 184                 vPanel.addStyleName("pithos-TabPanelBottom");\r
 185                 vPanel.add(new Label("Versioned"));\r
 186 \r
 187                 vPanel.add(versionedCheck);\r
 188                 verPanel.add(vPanel);\r
 189                 outer.add(inner);\r
 190                 outer.add(buttons);\r
 191                 outer.setCellHorizontalAlignment(buttons, HasHorizontalAlignment.ALIGN_CENTER);\r
 192                 outer.addStyleName("pithos-TabPanelBottom");\r
 193 \r
 194                 focusPanel.setFocus(true);\r
 195                 setWidget(outer);\r
 196         }\r
 197 \r
 198 \r
 199         /**\r
 200          * Accepts any change and updates the file\r
 201          *\r
 202          */\r
 203         @Override\r
 204         protected void accept() {\r
 205                 JSONObject json = new JSONObject();\r
 206                 if ( versionedCheck.getState()!=null && !versionedCheck.getState().equals(initialVersioned) )\r
 207                                 json.put("versioned", JSONBoolean.getInstance(versionedCheck.getState()));\r
 208 \r
 209                 JSONArray taga = new JSONArray();\r
 210                 int i = 0;\r
 211                 String tagText = tags.getText();\r
 212                 if (!MULTIPLE_VALUES_TEXT.equals(tagText) && !initialTagText.equals(tagText)) {\r
 213                         String[] tagset = tagText.split(",");\r
 214                         for (String t : tagset) {\r
 215                                 JSONString to = new JSONString(t);\r
 216                                 taga.set(i, to);\r
 217                                 i++;\r
 218                         }\r
 219                         json.put("tags", taga);\r
 220                 }\r
 221                 String jsonString = json.toString();\r
 222                 if(jsonString.equals("{}")){\r
 223                         GWT.log("NO CHANGES", null);\r
 224                         return;\r
 225                 }\r
 226                 final List<String> fileIds = new ArrayList<String>();\r
 227                 for(FileResource f : files)\r
 228                         fileIds.add(f.getUri()+"?update=");\r
 229                 MultiplePostCommand rt = new MultiplePostCommand(fileIds.toArray(new String[0]), jsonString, 200){\r
 230 \r
 231                         @Override\r
 232                         public void onComplete() {\r
 233                                 GSS.get().getTreeView().refreshCurrentNode(false);\r
 234                         }\r
 235 \r
 236                         @Override\r
 237                         public void onError(String p, Throwable t) {\r
 238                                 GWT.log("", t);\r
 239                                 if(t instanceof RestException){\r
 240                                         int statusCode = ((RestException)t).getHttpStatusCode();\r
 241                                         if(statusCode == 405)\r
 242                                                 GSS.get().displayError("You don't have the necessary permissions");\r
 243                                         else if(statusCode == 404)\r
 244                                                 GSS.get().displayError("File does not exist");\r
 245                                         else if(statusCode == 409)\r
 246                                                 GSS.get().displayError("A file with the same name already exists");\r
 247                                         else if(statusCode == 413)\r
 248                                                 GSS.get().displayError("Your quota has been exceeded");\r
 249                                         else\r
 250                                                 GSS.get().displayError("Unable to modify file::"+((RestException)t).getHttpStatusText());\r
 251                                 }\r
 252                                 else\r
 253                                         GSS.get().displayError("System error modifying file:"+t.getMessage());\r
 254                         }\r
 255                 };\r
 256                 DeferredCommand.addCommand(rt);\r
 257         }\r
 258 \r
 259 \r
 260 }\r